134043257 has 8 divisors (see below), whose sum is σ = 137522784. Its totient is φ = 130608288.

The previous prime is 134043251. The next prime is 134043263. The reversal of 134043257 is 752340431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (134043251) and next prime (134043263).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134043257 - 2⁸ = 134043001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134043251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5003 + ... + 17120.

It is an arithmetic number, because the mean of its divisors is an integer number (17190348).

Almost surely, 2^134043257 is an apocalyptic number.

It is an amenable number.

134043257 is a deficient number, since it is larger than the sum of its proper divisors (3479527).

134043257 is an equidigital number, since it uses as much as digits as its factorization.

134043257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22279.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 134043257 is about 11577.7051698512. The cubic root of 134043257 is about 511.7780524527.

Adding to 134043257 its reverse (752340431), we get a palindrome (886383688).

It can be divided in two parts, 13404 and 3257, that added together give a palindrome (16661).

The spelling of 134043257 in words is "one hundred thirty-four million, forty-three thousand, two hundred fifty-seven".